Nepean Bay Weather Forecast
- 9
- 26
Partly cloudy
- 13
- 21
Showers. Possible afternoon storm
- 10
- 20
Possible shower
- 8
- 26
Possible shower
- 10
- 17
Partly cloudy
- 6
- 16
Possible shower
- 6
- 16
Cloudy
Today 8 Oct Kangaroo Island
Partly cloudy. Winds north to northeasterly 20 to 30 km/h.
Investigator Strait Coastal Waters
- Wind
- Northeasterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- West to southwesterly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A trough and cold front over western SA will track eastwards across the rest of SA on Friday before a weak high briefly establishes in the north on Saturday. Another series of troughs and cold fronts are expected to enter western SA early on Sunday, crossing the state then clearing in the east by the end of Monday.
Nepean Bay Temperature Statistics View More
October Temperature
Kingscote Airport (7 km)
Lowest 7 October, 2026
5.3 °CAverage October
13.4 °CHighest 1 October, 2026
21.1 °C
Climate (2021–2026)
Kingscote Airport (7 km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C